Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

My flash has TTL and Auto settings. Whats the difference?

April 26, 2017Auto difference Flash settings TTL

0

Posted

My flash has TTL and Auto settings. Whats the difference?

1 Answer

0

Posted

The TTL setting controls flash output by measuring how much flash reflects back through the lens (TTL) to the cameras built-in lightmeter. Its usually the most accurate means of determining flash exposure, and it lets you aim your flash in any direction to bounce the light. Auto Flash controls output by measuring how much flash reflects back to a sensor built into the flash itself. Its accurate enough for most scenes and usually will function on many different cameras, while flash units that offer just TTL control work only with compatible cameras.